WASHINGTON, D.C. — With the latest coronavirus aid legislation headed to the Senate after passing the House on Friday, commercial and public transportation providers are considering what they’ve won and lost so far — and what they want in the next round. Amtrak, which received $1 billion in March, said while that money would help it through this fiscal year, it would need $1.6 billion on top of the $2 billion they typically ask in fiscal 2021.